LT1763 Series
TYPICAL PERFORMANCE CHARACTERISTICS
LT1763
Minimum Input Voltage
Load Regulation
5
0
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
LT1763-1.5
LT1763-2.5
LT1763
LT1763-1.8
I
= 500mA
L
–5
I
= 1mA
L
LT1763-3
–10
–15
–20
–25
LT1763-3.3
LT1763-5
V
= V
+ 1V
IN
L
OUT(NOMINAL)
$I = 1mA TO 500mA
V
= 1.22V
OUT
–25
0
25
50
75
125
–50
0
25
50
75 100 125
–50
100
–25
TEMPERATURE (°C)
TEMPERATURE (°C)
1763 G47
1763 G46
Output Noise Spectral Density
CBYP = 0
Output Noise Spectral Density
10
1
10
1
C
L
= 10μF
OUT
I
= 500mA
LT1763-3
C
= 1000pF
LT1763-3.3
LT1763-5
BYP
LT1763-5
LT1763
C
= 100pF
BYP
LT1763
LT1763-2.5
LT1763-1.8
LT1763-1.5
0.1
C
BYP
= 0.01μF
0.1
C
L
= 10μF
OUT
I
= 500mA
0.01
0.01
10
100
1k
FREQUENCY (Hz)
10k
100k
10
100
1k
FREQUENCY (Hz)
10k
100k
1763 G48
1763 G49
RMS Output Noise
vs Bypass Capacitor
RMS Output Noise
vs Load Current (10Hz to 100kHz)
160
160
140
120
100
80
C
= 10μF
C
I
= 10μF
OUT
OUT
C
= 0
= 500mA
140
BYP
L
C
= 0.01μF
f = 10Hz TO 100kHz
BYP
120 LT1763-5
LT1763-5
LT1763-3.3
100
80
LT1763-3
LT1763-2.5
60
60
LT1763
40
40
LT1763
LT1763-5
LT1763
LT1763-1.8
20
0
20
LT1763-1.5
0
0.01
10
100
1000
(pF)
10000
0.1
1
10
100
1000
LOAD CURRENT (mA)
C
BYP
1763 G50
1763 G51
1763fe
11
Linear [ Linear ]
